Hey, music fans! I'm Tammy La Gorce, and I'm here to welcome you to GRAMMY.com's official liveblog for Music's Biggest Night, "The 55th GRAMMY Awards." Are you ready? Hosted by two-time GRAMMY winner LL Cool J, the show will air live tonight on the CBS Television Network from the Staples Center in Los Angeles about half an hour from now, at 8 p.m. ET. On tonight's jam-packed agenda are performances by Taylor Swift, Fun., Justin Timberlake, Rihanna, Jack White and many, many others. We'll also find out who wins GRAMMYs in all the biggest categories, including Album of the Year, Record of the Year, Song of the Year and Best New Artist. While you watch, stay with us at the liveblog for color commentary and up-to-the-minute coverage of everything that happens onstage -- and behind the stage, and in front of the stage -- plus cool interactive content including photos, video, polls, social media updates, and more. And, please: Comment! Tell us what you think of tonight's nominees and performers.After we wrap, stay with us at GRAMMY.com for more official GRAMMY coverage, a complete 55th GRAMMY Awards winners list, photos and video from the show, and more. Which artists will take home music's most coveted prize? Come back tonight and find out! See you soon.